Hyakuren no Haou to Seiyaku no Ikusa Otome - MangaDex

A modern middle school student called Suou Yuuto, ends up in another world called “Yggdrasil”, right in the middle of war. In a world ruled by the survival of the fittest, in which the many clans fight for the hegemony, Yuuto rose up as the “Wolf”clan patriarch with only 16 years old, leading thousands of soldiers using his modern world knowledge as a weapon.

Advanced Search - MangaDex

Advanced Search - MangaDex

Hyakuren no Haou to Seiyaku no Ikusa Otome Manga - Chapter 1

Hyakuren no Haou to Seiyaku no Ikusa Otome - MangaDex

Netorare Manga no Kuzu Otoko ni Tensei Shita Hazu ga Heroine ga

Hyakuren no Haou to Seiyaku no Valkyria, Isekai Wiki

MangaDex

Advanced Search - MangaDex

Hyakuren no Haou to Seiyaku no Valkyria (Novel)

Advanced Search - MangaDex

Advanced Search - MangaDex

Hyakuren no Haou to Seiyaku no Ikusa Otome Manga - Chapter 44

Info - Volume Covers Thread - Part 1, Page 96

Hyakuren no Haou to Seiyaku no Ikusa Otome - MangaDex